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option decode-buf

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This commit is contained in:
wangyu- 2017-10-18 07:03:52 -05:00
parent f992434063
commit a5c26c5814
3 changed files with 35 additions and 10 deletions
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7
fec_manager.cpp
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@ -17,6 +17,8 @@ const int decode_fast_send=1;
int short_packet_optimize=1;
int header_overhead=40;
u32_t fec_buff_num=2000;// how many packet can fec_decode_manager hold. shouldnt be very large,or it will cost huge memory
blob_encode_t::blob_encode_t()
{
clear();
@ -465,11 +467,6 @@ int fec_encode_manager_t::output(int &n,char ** &s_arr,int *&len)
return 0;
}
fec_decode_manager_t::fec_decode_manager_t()
{
re_init();
}
int fec_decode_manager_t::re_init()
{
for(int i=0;i<(int)fec_buff_num;i++)

24
fec_manager.h
View File

@ -12,11 +12,11 @@
#include "log.h"
#include "lib/rs.h"
const int max_blob_packet_num=20000;//how many packet can be contain in a blob_t ,can be set very large
const u32_t anti_replay_buff_size=20000;//can be set very large
const int max_blob_packet_num=30000;//how many packet can be contain in a blob_t ,can be set very large
const u32_t anti_replay_buff_size=30000;//can be set very large
const int max_fec_packet_num=255;// this is the limitation of the rs lib
const u32_t fec_buff_num=2000;// how many packet can fec_decode_manager hold. shouldnt be very large,or it will cost huge memory
extern u32_t fec_buff_num;
struct anti_replay_t
@ -162,20 +162,34 @@ struct fec_group_t
class fec_decode_manager_t
{
anti_replay_t anti_replay;
fec_data_t fec_data[fec_buff_num+10];
fec_data_t *fec_data;
int index;
unordered_map<u32_t, fec_group_t> mp;
blob_decode_t blob_decode;
int output_n;
char ** output_s_arr;
int * output_len_arr;
char *output_s_arr_buf[max_fec_packet_num+100];
int output_len_arr_buf[max_fec_packet_num+100];
int ready_for_output;
public:
fec_decode_manager_t();
fec_decode_manager_t()
{
fec_data=new fec_data_t[fec_buff_num+5];
re_init();
}
fec_decode_manager_t(const fec_decode_manager_t &b)
{
assert(0==1);//not allowed to copy
}
~fec_decode_manager_t()
{
delete fec_data;
}
int re_init();
int input(char *s,int len);
int output(int &n,char ** &s_arr,int* &len_arr);

14
main.cpp
View File

@ -1183,6 +1183,7 @@ void print_help()
printf(" -j ,--jitter jmin:jmax similiar to -j above,but create jitter randomly between jmin and jmax\n");
printf(" -i,--interval imin:imax similiar to -i above,but scatter randomly between imin and imax\n");
printf(" -q,--queue-len <number> max fec queue len,only for mode 1\n");
printf(" --decode-buf <number> size of buffer of fec decoder,unit:packet,default:2000\n");
printf(" --fix-latency <number> try to stabilize latency,only for mode 1\n");
printf(" --delay-capacity <number> max number of delayed packets\n");
printf(" --disable-fec <number> completely disable fec,turn the program into a normal udp tunnel\n");
@ -1218,9 +1219,11 @@ void process_arg(int argc, char *argv[])
{"mtu", required_argument, 0, 1},
{"mode", required_argument, 0,1},
{"timeout", required_argument, 0,1},
{"--decode-buf", required_argument, 0,1},
{"queue-len", required_argument, 0,'q'},
{"fec", required_argument, 0,'f'},
{"jitter", required_argument, 0,'j'},
{NULL, 0, 0, 0}
};
int option_index = 0;
@ -1456,6 +1459,7 @@ void process_arg(int argc, char *argv[])
mylog(log_fatal,"random_drop must be between 0 10000 \n");
myexit(-1);
}
mylog(log_info,"random_drop=%d\n",random_drop);
}
else if(strcmp(long_options[option_index].name,"delay-capacity")==0)
{
@ -1491,6 +1495,16 @@ void process_arg(int argc, char *argv[])
myexit(-1);
}
}
else if(strcmp(long_options[option_index].name,"decode-buf")==0)
{
sscanf(optarg,"%d",&fec_buff_num);
if(fec_buff_num<100 || fec_buff_num>20000)
{
mylog(log_fatal,"decode-buf value must be between 100 and 20000 (kbyte) \n");
myexit(-1);
}
mylog(log_info,"decode-buf=%d\n",fec_buff_num);
}
else if(strcmp(long_options[option_index].name,"mode")==0)
{
sscanf(optarg,"%d",&fec_type);